Mainstay Emergency Food Rations - 3600 Calorie Bars Ready to Eat: Each package contains 9 pre-measured 400 calorie meals. 5 year Shelf Life, Non-Thirst Provoking, Withstands Temperatures of -40 F to 300F (-40C to 149C) Individualized portions eliminate the messy breaking-up that occurs with other bars, Allows for on-land emergency consumption in a high-stress active situation Contains no cholesterol or tropical oils., Enriched with vitamins and minerals exceeding the RDA requirements, Pleasant lemon flavor which appeals to everyone. MainstayTM is Kosher and meets the dictates for Halal.